Arched back scratcher



FIG. 1 is a top perspective view of an arched back scratcher showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof

FIG. 7 is a back view thereof; and,

FIG. 8 is front view thereof.

The broken lines, shown in FIGS. 1, 2, 6, 7 and 8, depict portions of the arched back scratcher which form no part of the claimed design. 

CLAIM The ornamental design for an arched back scratcher, as shown and described. 